XT55 AT Command Set - Wireless Data Modules

XT55 AT Command Set8.4 AT+CREGs8.4 AT+CREG Network registrationThe AT+CREG command serves to verify the network registration status of the ME. For this purpose two types ofURCs are available.The AT+CREG read command returns the URC presentation mode and an integer that shows theregistration status of the ME. The location information elements and are returned only when =2and ME is registered to the network.SyntaxTest CommandAT+CREG=?Response(s)+CREG: (list of supporteds)OKRead CommandAT+CREG?Response(s)+CREG: , [, , ]OKERROR+CME ERROR: Write CommandAT+CREG=[]Response(s)OKERROR+CME ERROR: Reference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge LastGSM 07.07 ! % % % % % ! ! !Unsolicited Result CodesURC 1If =1 and there is a change in the ME network registration status:+CREG: URC 2If =2 and there is a change in the ME network registration status or a change of the network cell:+CREG: [, , ]Parameter Description (num)(&W)(&V)[0] (&F) Disable +CREG URC1 Enable URC +CREG: to report status of network registration2 Enable URC +CREG:[,,] to report status of network registrationincluding location information. Optional parameters and will not be displayed during calls or if these values have not changed since lastAT+CREG read command or since last indication by +CREG URC.XT55_ATC_V03.03 Page 167 of 459 9/9/05Confidential / Released